23201451 has 96 divisors (see below), whose sum is σ = 45964800. Its totient is φ = 11430720.

The previous prime is 23201429. The next prime is 23201473. The reversal of 23201451 is 15410232.

It is an interprime number because it is at equal distance from previous prime (23201429) and next prime (23201473).

It is not a de Polignac number, because 23201451 - 2⁵ = 23201419 is a prime.

It is a super-3 number, since 3×23201451³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201401) 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 95 ways as a sum of consecutive naturals, for example, 326746 + ... + 326816.

It is an arithmetic number, because the mean of its divisors is an integer number (478800).

Almost surely, 2^23201451 is an apocalyptic number.

23201451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23201451 is a deficient number, since it is larger than the sum of its proper divisors (22763349).

23201451 is a wasteful number, since it uses less digits than its factorization.

23201451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 23201451 is about 4816.7884529010. The cubic root of 23201451 is about 285.2145752488.

Adding to 23201451 its reverse (15410232), we get a palindrome (38611683).

The spelling of 23201451 in words is "twenty-three million, two hundred one thousand, four hundred fifty-one".