23764729453 has 2 divisors, whose sum is σ = 23764729454. Its totient is φ = 23764729452.

The previous prime is 23764729367. The next prime is 23764729459. The reversal of 23764729453 is 35492746732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14003882244 + 9760847209 = 118338^2 + 98797^2 .

It is a cyclic number.

It is not a de Polignac number, because 23764729453 - 2¹⁷ = 23764598381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23764729453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23764729459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11882364726 + 11882364727.

It is an arithmetic number, because the mean of its divisors is an integer number (11882364727).

Almost surely, 2^23764729453 is an apocalyptic number.

It is an amenable number.

23764729453 is a deficient number, since it is larger than the sum of its proper divisors (1).

23764729453 is an equidigital number, since it uses as much as digits as its factorization.

23764729453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 52.

The spelling of 23764729453 in words is "twenty-three billion, seven hundred sixty-four million, seven hundred twenty-nine thousand, four hundred fifty-three".