36631123 has 2 divisors, whose sum is σ = 36631124. Its totient is φ = 36631122.

The previous prime is 36631117. The next prime is 36631139. The reversal of 36631123 is 32113663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36631123 - 2²⁵ = 3076691 is a prime.

It is a super-2 number, since 2×36631123² = 2683678344482258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36631103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18315561 + 18315562.

It is an arithmetic number, because the mean of its divisors is an integer number (18315562).

Almost surely, 2^36631123 is an apocalyptic number.

36631123 is a deficient number, since it is larger than the sum of its proper divisors (1).

36631123 is an equidigital number, since it uses as much as digits as its factorization.

36631123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 25.

The square root of 36631123 is about 6052.3650749108. The cubic root of 36631123 is about 332.1111152484. Note that the first 5 decimals are identical.

Adding to 36631123 its reverse (32113663), we get a palindrome (68744786).

The spelling of 36631123 in words is "thirty-six million, six hundred thirty-one thousand, one hundred twenty-three".