23213454 has 32 divisors (see below), whose sum is σ = 50820480. Its totient is φ = 7010400.

The previous prime is 23213447. The next prime is 23213473. The reversal of 23213454 is 45431232.

It is a super-2 number, since 2×23213454² = 1077728893220232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33249 + ... + 33939.

It is an arithmetic number, because the mean of its divisors is an integer number (1588140).

Almost surely, 2^23213454 is an apocalyptic number.

23213454 is an abundant number, since it is smaller than the sum of its proper divisors (27607026).

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

23213454 is a wasteful number, since it uses less digits than its factorization.

23213454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its digits is 2880, while the sum is 24.

The square root of 23213454 is about 4818.0342464536. The cubic root of 23213454 is about 285.2637509140.

Adding to 23213454 its reverse (45431232), we get a palindrome (68644686).

It can be divided in two parts, 2321 and 3454, that added together give a palindrome (5775).

The spelling of 23213454 in words is "twenty-three million, two hundred thirteen thousand, four hundred fifty-four".