23131214 has 16 divisors (see below), whose sum is σ = 35890128. Its totient is φ = 11174592.

The previous prime is 23131211. The next prime is 23131231. The reversal of 23131214 is 41213132.

It is a super-2 number, since 2×23131214² = 1070106122227592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23131192 and 23131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5474 + ... + 8730.

It is an arithmetic number, because the mean of its divisors is an integer number (2243133).

Almost surely, 2^23131214 is an apocalyptic number.

23131214 is a deficient number, since it is larger than the sum of its proper divisors (12758914).

23131214 is a wasteful number, since it uses less digits than its factorization.

23131214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379.

The product of its digits is 144, while the sum is 17.

The square root of 23131214 is about 4809.4920729740. The cubic root of 23131214 is about 284.9264773926.

Adding to 23131214 its reverse (41213132), we get a palindrome (64344346).

The spelling of 23131214 in words is "twenty-three million, one hundred thirty-one thousand, two hundred fourteen".