23154004 has 24 divisors (see below), whose sum is σ = 41617800. Its totient is φ = 11266944.

The previous prime is 23153981. The next prime is 23154007. The reversal of 23154004 is 40045132.

It can be written as a sum of positive squares in 4 ways, for example, as 7551504 + 15602500 = 2748^2 + 3950^2 .

It is a super-2 number, since 2×23154004² = 1072215802464032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31222 + ... + 31954.

It is an arithmetic number, because the mean of its divisors is an integer number (1734075).

Almost surely, 2^23154004 is an apocalyptic number.

It is an amenable number.

23154004 is a deficient number, since it is larger than the sum of its proper divisors (18463796).

23154004 is a wasteful number, since it uses less digits than its factorization.

23154004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 23154004 is about 4811.8607627403. The cubic root of 23154004 is about 285.0200211645.

Adding to 23154004 its reverse (40045132), we get a palindrome (63199136).

The spelling of 23154004 in words is "twenty-three million, one hundred fifty-four thousand, four".