23115251512445 has 8 divisors (see below), whose sum is σ = 28633085744640. Its totient is φ = 17895678590160.

The previous prime is 23115251512427. The next prime is 23115251512447. The reversal of 23115251512445 is 54421515251132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23115251512445 - 2⁸ = 23115251512189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115251512447) 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, 74565327305 + ... + 74565327614.

It is an arithmetic number, because the mean of its divisors is an integer number (3579135718080).

Almost surely, 2^{23115251512445} is an apocalyptic number.

It is an amenable number.

23115251512445 is a deficient number, since it is larger than the sum of its proper divisors (5517834232195).

23115251512445 is a wasteful number, since it uses less digits than its factorization.

23115251512445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149130654955.

The product of its digits is 240000, while the sum is 41.

Adding to 23115251512445 its reverse (54421515251132), we get a palindrome (77536766763577).

The spelling of 23115251512445 in words is "twenty-three trillion, one hundred fifteen billion, two hundred fifty-one million, five hundred twelve thousand, four hundred forty-five".