231453651 has 32 divisors (see below), whose sum is σ = 371427840. Its totient is φ = 126316800.

The previous prime is 231453619. The next prime is 231453653. The reversal of 231453651 is 156354132.

It is not a de Polignac number, because 231453651 - 2⁵ = 231453619 is a prime.

It is a super-2 number, since 2×231453651² = 107141585122459602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231453653) 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, 11010 + ... + 24168.

It is an arithmetic number, because the mean of its divisors is an integer number (11607120).

Almost surely, 2^231453651 is an apocalyptic number.

231453651 is a deficient number, since it is larger than the sum of its proper divisors (139974189).

231453651 is a wasteful number, since it uses less digits than its factorization.

231453651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13227.

The product of its digits is 10800, while the sum is 30.

The square root of 231453651 is about 15213.6008558132. The cubic root of 231453651 is about 613.9806419783.

It can be divided in two parts, 23145 and 3651, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 231453651 in words is "two hundred thirty-one million, four hundred fifty-three thousand, six hundred fifty-one".