23223142253554 has 8 divisors (see below), whose sum is σ = 34834930393068. Its totient is φ = 11611498789200.

The previous prime is 23223142253551. The next prime is 23223142253581. The reversal of 23223142253554 is 45535224132232.

It can be written as a sum of positive squares in 2 ways, for example, as 18645788977929 + 4577353275625 = 4318077^2 + 2139475^2 .

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

It is a super-2 number, since 2×23223142253554² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23223142253554.

It is not an unprimeable number, because it can be changed into a prime (23223142253551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35766597 + ... + 36410104.

Almost surely, 2^{23223142253554} is an apocalyptic number.

23223142253554 is a deficient number, since it is larger than the sum of its proper divisors (11611788139514).

23223142253554 is a wasteful number, since it uses less digits than its factorization.

23223142253554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72337580.

The product of its digits is 1728000, while the sum is 43.

Adding to 23223142253554 its reverse (45535224132232), we get a palindrome (68758366385786).

The spelling of 23223142253554 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred forty-two million, two hundred fifty-three thousand, five hundred fifty-four".