1000423154 has 8 divisors (see below), whose sum is σ = 1510193388. Its totient is φ = 497025360.

The previous prime is 1000423147. The next prime is 1000423201. The reversal of 1000423154 is 4513240001.

It can be written as a sum of positive squares in 2 ways, for example, as 1000267129 + 156025 = 31627^2 + 395^2 .

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

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, 1592717 + ... + 1593344.

Almost surely, 2^1000423154 is an apocalyptic number.

1000423154 is a deficient number, since it is larger than the sum of its proper divisors (509770234).

1000423154 is a wasteful number, since it uses less digits than its factorization.

1000423154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186220.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1000423154 is about 31629.4665462445. The cubic root of 1000423154 is about 1000.1410314425.

Adding to 1000423154 its reverse (4513240001), we get a palindrome (5513663155).

The spelling of 1000423154 in words is "one billion, four hundred twenty-three thousand, one hundred fifty-four".