23154554 has 16 divisors (see below), whose sum is σ = 35695968. Its totient is φ = 11258352.

The previous prime is 23154539. The next prime is 23154569. The reversal of 23154554 is 45545132.

It is an interprime number because it is at equal distance from previous prime (23154539) and next prime (23154569).

It is a super-2 number, since 2×23154554² = 1072266741877832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25964 + ... + 26840.

It is an arithmetic number, because the mean of its divisors is an integer number (2230998).

Almost surely, 2^23154554 is an apocalyptic number.

23154554 is a deficient number, since it is larger than the sum of its proper divisors (12541414).

23154554 is a wasteful number, since it uses less digits than its factorization.

23154554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229.

The product of its digits is 12000, while the sum is 29.

The square root of 23154554 is about 4811.9179128493. The cubic root of 23154554 is about 285.0222779343.

Adding to 23154554 its reverse (45545132), we get a palindrome (68699686).

The spelling of 23154554 in words is "twenty-three million, one hundred fifty-four thousand, five hundred fifty-four".