23162211645 has 16 divisors (see below), whose sum is σ = 37089240000. Its totient is φ = 12343279104.

The previous prime is 23162211593. The next prime is 23162211659. The reversal of 23162211645 is 54611226132.

It is not a de Polignac number, because 23162211645 - 2⁶ = 23162211581 is a prime.

It is a Curzon number.

It is a congruent 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, 599419 + ... + 636888.

It is an arithmetic number, because the mean of its divisors is an integer number (2318077500).

Almost surely, 2^23162211645 is an apocalyptic number.

It is an amenable number.

23162211645 is a deficient number, since it is larger than the sum of its proper divisors (13927028355).

23162211645 is a wasteful number, since it uses less digits than its factorization.

23162211645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237564.

The product of its digits is 17280, while the sum is 33.

Adding to 23162211645 its reverse (54611226132), we get a palindrome (77773437777).

The spelling of 23162211645 in words is "twenty-three billion, one hundred sixty-two million, two hundred eleven thousand, six hundred forty-five".