23213261562 has 16 divisors (see below), whose sum is σ = 46433278080. Its totient is φ = 7736628032.

The previous prime is 23213261527. The next prime is 23213261567. The reversal of 23213261562 is 26516231232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23213261567) 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, 236223 + ... + 319730.

It is an arithmetic number, because the mean of its divisors is an integer number (2902079880).

Almost surely, 2^23213261562 is an apocalyptic number.

23213261562 is an abundant number, since it is smaller than the sum of its proper divisors (23220016518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23213261562 is a wasteful number, since it uses less digits than its factorization.

23213261562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562917.

The product of its digits is 25920, while the sum is 33.

Adding to 23213261562 its reverse (26516231232), we get a palindrome (49729492794).

The spelling of 23213261562 in words is "twenty-three billion, two hundred thirteen million, two hundred sixty-one thousand, five hundred sixty-two".