23013451 has 4 divisors (see below), whose sum is σ = 23042304. Its totient is φ = 22984600.

The previous prime is 23013449. The next prime is 23013479. The reversal of 23013451 is 15431032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23013451 - 2¹ = 23013449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23013491) 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 3 ways as a sum of consecutive naturals, for example, 13195 + ... + 14836.

It is an arithmetic number, because the mean of its divisors is an integer number (5760576).

Almost surely, 2^23013451 is an apocalyptic number.

23013451 is a deficient number, since it is larger than the sum of its proper divisors (28853).

23013451 is an equidigital number, since it uses as much as digits as its factorization.

23013451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28852.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23013451 is about 4797.2336820297. The cubic root of 23013451 is about 284.4421261012.

Adding to 23013451 its reverse (15431032), we get a palindrome (38444483).

The spelling of 23013451 in words is "twenty-three million, thirteen thousand, four hundred fifty-one".