1423320502 has 8 divisors (see below), whose sum is σ = 2151278712. Its totient is φ = 706227600.

The previous prime is 1423320497. The next prime is 1423320517. The reversal of 1423320502 is 2050233241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2715999 + ... + 2716522.

It is an arithmetic number, because the mean of its divisors is an integer number (268909839).

Almost surely, 2^1423320502 is an apocalyptic number.

1423320502 is a deficient number, since it is larger than the sum of its proper divisors (727958210).

1423320502 is a wasteful number, since it uses less digits than its factorization.

1423320502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432654.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1423320502 is about 37726.9201234344. The cubic root of 1423320502 is about 1124.8662891620.

Adding to 1423320502 its reverse (2050233241), we get a palindrome (3473553743).

The spelling of 1423320502 in words is "one billion, four hundred twenty-three million, three hundred twenty thousand, five hundred two".