231264623 has 4 divisors (see below), whose sum is σ = 232186248. Its totient is φ = 230343000.

The previous prime is 231264547. The next prime is 231264629. The reversal of 231264623 is 326462132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231264623 - 2¹⁴ = 231248239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231264629) 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, 460436 + ... + 460937.

It is an arithmetic number, because the mean of its divisors is an integer number (58046562).

Almost surely, 2^231264623 is an apocalyptic number.

231264623 is a deficient number, since it is larger than the sum of its proper divisors (921625).

231264623 is an equidigital number, since it uses as much as digits as its factorization.

231264623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921624.

The product of its digits is 10368, while the sum is 29.

The square root of 231264623 is about 15207.3871194232. The cubic root of 231264623 is about 613.8134506322.

The spelling of 231264623 in words is "two hundred thirty-one million, two hundred sixty-four thousand, six hundred twenty-three".