23503216452451 has 8 divisors (see below), whose sum is σ = 23901664213440. Its totient is φ = 23104771630248.

The previous prime is 23503216452449. The next prime is 23503216452467. The reversal of 23503216452451 is 15425461230532.

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

It is a cyclic number.

It is not a de Polignac number, because 23503216452451 - 2¹ = 23503216452449 is a prime.

It is a super-2 number, since 2×23503216452451² (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 = 23503216452398 and 23503216452407.

It is not an unprimeable number, because it can be changed into a prime (23503216452421) 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, 20606020 + ... + 21716686.

It is an arithmetic number, because the mean of its divisors is an integer number (2987708026680).

Almost surely, 2^{23503216452451} is an apocalyptic number.

23503216452451 is a deficient number, since it is larger than the sum of its proper divisors (398447760989).

23503216452451 is a wasteful number, since it uses less digits than its factorization.

23503216452451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469393.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 23503216452451 its reverse (15425461230532), we get a palindrome (38928677682983).

The spelling of 23503216452451 in words is "twenty-three trillion, five hundred three billion, two hundred sixteen million, four hundred fifty-two thousand, four hundred fifty-one".