23578002451 has 2 divisors, whose sum is σ = 23578002452. Its totient is φ = 23578002450.

The previous prime is 23578002439. The next prime is 23578002479. The reversal of 23578002451 is 15420087532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23578002451 - 2¹¹ = 23578000403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23578002451.

It is not a weakly prime, because it can be changed into another prime (23578002401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11789001225 + 11789001226.

It is an arithmetic number, because the mean of its divisors is an integer number (11789001226).

Almost surely, 2^23578002451 is an apocalyptic number.

23578002451 is a deficient number, since it is larger than the sum of its proper divisors (1).

23578002451 is an equidigital number, since it uses as much as digits as its factorization.

23578002451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 23578002451 its reverse (15420087532), we get a palindrome (38998089983).

The spelling of 23578002451 in words is "twenty-three billion, five hundred seventy-eight million, two thousand, four hundred fifty-one".