1400121323 has 4 divisors (see below), whose sum is σ = 1432682328. Its totient is φ = 1367560320.

The previous prime is 1400121269. The next prime is 1400121367. The reversal of 1400121323 is 3231210041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231210041 = 41 ⋅78810001.

It is a cyclic number.

It is not a de Polignac number, because 1400121323 - 2²⁴ = 1383344107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400121383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16280438 + ... + 16280523.

It is an arithmetic number, because the mean of its divisors is an integer number (358170582).

Almost surely, 2^1400121323 is an apocalyptic number.

1400121323 is a deficient number, since it is larger than the sum of its proper divisors (32561005).

1400121323 is an equidigital number, since it uses as much as digits as its factorization.

1400121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32561004.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1400121323 is about 37418.1950793995. The cubic root of 1400121323 is about 1118.7212560762.

Adding to 1400121323 its reverse (3231210041), we get a palindrome (4631331364).

The spelling of 1400121323 in words is "one billion, four hundred million, one hundred twenty-one thousand, three hundred twenty-three".