23120553451451 has 8 divisors (see below), whose sum is σ = 23280397486080. Its totient is φ = 22960964150568.

The previous prime is 23120553451393. The next prime is 23120553451459. The reversal of 23120553451451 is 15415435502132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120553451451 is a prime.

It is a super-2 number, since 2×23120553451451² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23120553451399 and 23120553451408.

It is not an unprimeable number, because it can be changed into a prime (23120553451459) 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, 63501281 + ... + 63864338.

It is an arithmetic number, because the mean of its divisors is an integer number (2910049685760).

Almost surely, 2^{23120553451451} is an apocalyptic number.

23120553451451 is a deficient number, since it is larger than the sum of its proper divisors (159844034629).

23120553451451 is a wasteful number, since it uses less digits than its factorization.

23120553451451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127366873.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 23120553451451 its reverse (15415435502132), we get a palindrome (38535988953583).

The spelling of 23120553451451 in words is "twenty-three trillion, one hundred twenty billion, five hundred fifty-three million, four hundred fifty-one thousand, four hundred fifty-one".