23240034345 has 32 divisors (see below), whose sum is σ = 41507794944. Its totient is φ = 11005848000.

The previous prime is 23240034341. The next prime is 23240034347. The reversal of 23240034345 is 54343004232.

It is not a de Polignac number, because 23240034345 - 2² = 23240034341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23240034341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1630681 + ... + 1644870.

It is an arithmetic number, because the mean of its divisors is an integer number (1297118592).

Almost surely, 2^23240034345 is an apocalyptic number.

It is an amenable number.

23240034345 is a deficient number, since it is larger than the sum of its proper divisors (18267760599).

23240034345 is a wasteful number, since it uses less digits than its factorization.

23240034345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275613.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 23240034345 its reverse (54343004232), we get a palindrome (77583038577).

The spelling of 23240034345 in words is "twenty-three billion, two hundred forty million, thirty-four thousand, three hundred forty-five".