23015454 has 64 divisors (see below), whose sum is σ = 59277312. Its totient is φ = 5781600.

The previous prime is 23015429. The next prime is 23015491. The reversal of 23015454 is 45451032.

It is a super-2 number, since 2×23015454² = 1059422245652232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13519 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (926208).

Almost surely, 2^23015454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23015454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29638656).

23015454 is an abundant number, since it is smaller than the sum of its proper divisors (36261858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23015454 is a wasteful number, since it uses less digits than its factorization.

23015454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 23015454 is about 4797.4424436360. The cubic root of 23015454 is about 284.4503781020.

Adding to 23015454 its reverse (45451032), we get a palindrome (68466486).

The spelling of 23015454 in words is "twenty-three million, fifteen thousand, four hundred fifty-four".