23449621313 has 8 divisors (see below), whose sum is σ = 25500065832. Its totient is φ = 21473738496.

The previous prime is 23449621301. The next prime is 23449621379. The reversal of 23449621313 is 31312694432.

It can be written as a sum of positive squares in 4 ways, for example, as 7530247729 + 15919373584 = 86777^2 + 126172^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23449621313 - 2¹⁸ = 23449359169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23449621813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18639770 + ... + 18641027.

It is an arithmetic number, because the mean of its divisors is an integer number (3187508229).

Almost surely, 2^23449621313 is an apocalyptic number.

It is an amenable number.

23449621313 is a deficient number, since it is larger than the sum of its proper divisors (2050444519).

23449621313 is a wasteful number, since it uses less digits than its factorization.

23449621313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37280851.

The product of its digits is 93312, while the sum is 38.

The spelling of 23449621313 in words is "twenty-three billion, four hundred forty-nine million, six hundred twenty-one thousand, three hundred thirteen".