1230547923 has 32 divisors (see below), whose sum is σ = 2057356800. Its totient is φ = 720064800.

The previous prime is 1230547897. The next prime is 1230547993. The reversal of 1230547923 is 3297450321.

1230547923 is a `hidden beast` number, since 1 + 23 + 0 + 547 + 92 + 3 = 666.

It is not a de Polignac number, because 1230547923 - 2⁸ = 1230547667 is a prime.

It is a super-2 number, since 2×1230547923² = 3028496381599227858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230547993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62823 + ... + 80048.

It is an arithmetic number, because the mean of its divisors is an integer number (64292400).

Almost surely, 2^1230547923 is an apocalyptic number.

1230547923 is a deficient number, since it is larger than the sum of its proper divisors (826808877).

1230547923 is a wasteful number, since it uses less digits than its factorization.

1230547923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142920 (or 142914 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1230547923 is about 35079.1665094825. The cubic root of 1230547923 is about 1071.6003429058.

The spelling of 1230547923 in words is "one billion, two hundred thirty million, five hundred forty-seven thousand, nine hundred twenty-three".