23505628945 has 16 divisors (see below), whose sum is σ = 29227410432. Its totient is φ = 18128681280.

The previous prime is 23505628931. The next prime is 23505628963. The reversal of 23505628945 is 54982650532.

It is not a de Polignac number, because 23505628945 - 2¹⁹ = 23505104657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247542 + ... + 329071.

It is an arithmetic number, because the mean of its divisors is an integer number (1826713152).

Almost surely, 2^23505628945 is an apocalyptic number.

It is an amenable number.

23505628945 is a deficient number, since it is larger than the sum of its proper divisors (5721781487).

23505628945 is a wasteful number, since it uses less digits than its factorization.

23505628945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576912.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 23505628945 in words is "twenty-three billion, five hundred five million, six hundred twenty-eight thousand, nine hundred forty-five".