23131334 has 8 divisors (see below), whose sum is σ = 35504040. Its totient is φ = 11296656.

The previous prime is 23131333. The next prime is 23131351. The reversal of 23131334 is 43313132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23131334² = 1070117225239112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131333) 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, 134399 + ... + 134570.

It is an arithmetic number, because the mean of its divisors is an integer number (4438005).

Almost surely, 2^23131334 is an apocalyptic number.

23131334 is a deficient number, since it is larger than the sum of its proper divisors (12372706).

23131334 is a wasteful number, since it uses less digits than its factorization.

23131334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269014.

The product of its digits is 648, while the sum is 20.

The square root of 23131334 is about 4809.5045482877. The cubic root of 23131334 is about 284.9269701051.

Adding to 23131334 its reverse (43313132), we get a palindrome (66444466).

The spelling of 23131334 in words is "twenty-three million, one hundred thirty-one thousand, three hundred thirty-four".