123472311 has 16 divisors (see below), whose sum is σ = 166196448. Its totient is φ = 81536000.

The previous prime is 123472301. The next prime is 123472331. The reversal of 123472311 is 113274321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123472311 - 2²² = 119278007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123472301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236731 + ... + 237251.

It is an arithmetic number, because the mean of its divisors is an integer number (10387278).

Almost surely, 2^123472311 is an apocalyptic number.

123472311 is a deficient number, since it is larger than the sum of its proper divisors (42724137).

123472311 is a wasteful number, since it uses less digits than its factorization.

123472311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its digits is 1008, while the sum is 24.

The square root of 123472311 is about 11111.8095286051. The cubic root of 123472311 is about 497.9547264531.

The spelling of 123472311 in words is "one hundred twenty-three million, four hundred seventy-two thousand, three hundred eleven".