23734406217 has 16 divisors (see below), whose sum is σ = 32905170432. Its totient is φ = 15200741760.

The previous prime is 23734406191. The next prime is 23734406219. The reversal of 23734406217 is 71260443732.

It is a happy number.

It is not a de Polignac number, because 23734406217 - 2¹⁰ = 23734405193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23734406219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918678 + ... + 944159.

It is an arithmetic number, because the mean of its divisors is an integer number (2056573152).

Almost surely, 2^23734406217 is an apocalyptic number.

It is an amenable number.

23734406217 is a deficient number, since it is larger than the sum of its proper divisors (9170764215).

23734406217 is a wasteful number, since it uses less digits than its factorization.

23734406217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863008.

The product of its (nonzero) digits is 169344, while the sum is 39.

Adding to 23734406217 its reverse (71260443732), we get a palindrome (94994849949).

The spelling of 23734406217 in words is "twenty-three billion, seven hundred thirty-four million, four hundred six thousand, two hundred seventeen".