1523672231 has 2 divisors, whose sum is σ = 1523672232. Its totient is φ = 1523672230.

The previous prime is 1523672219. The next prime is 1523672261. The reversal of 1523672231 is 1322763251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1523672231 - 2⁶ = 1523672167 is a prime.

It is a super-2 number, since 2×1523672231² = 4643154135041034722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1523672261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761836115 + 761836116.

It is an arithmetic number, because the mean of its divisors is an integer number (761836116).

Almost surely, 2^1523672231 is an apocalyptic number.

1523672231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523672231 is an equidigital number, since it uses as much as digits as its factorization.

1523672231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 1523672231 is about 39034.2443375045. The cubic root of 1523672231 is about 1150.7046043700.

The spelling of 1523672231 in words is "one billion, five hundred twenty-three million, six hundred seventy-two thousand, two hundred thirty-one".