23214919 has 16 divisors (see below), whose sum is σ = 28694848. Its totient is φ = 18289152.

The previous prime is 23214899. The next prime is 23214931. The reversal of 23214919 is 91941232.

It is not a de Polignac number, because 23214919 - 2⁷ = 23214791 is a prime.

It is a super-2 number, since 2×23214919² = 1077864928353122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23214019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30289 + ... + 31045.

It is an arithmetic number, because the mean of its divisors is an integer number (1793428).

Almost surely, 2^23214919 is an apocalyptic number.

23214919 is a deficient number, since it is larger than the sum of its proper divisors (5479929).

23214919 is a wasteful number, since it uses less digits than its factorization.

23214919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its digits is 3888, while the sum is 31.

The square root of 23214919 is about 4818.1862770134. The cubic root of 23214919 is about 285.2697517818.

It can be divided in two parts, 232 and 14919, that added together give a palindrome (15151).

The spelling of 23214919 in words is "twenty-three million, two hundred fourteen thousand, nine hundred nineteen".