23435551145405 has 32 divisors (see below), whose sum is σ = 32889842878464. Its totient is φ = 15695313270336.

The previous prime is 23435551145399. The next prime is 23435551145417. The reversal of 23435551145405 is 50454115553432.

It is not a de Polignac number, because 23435551145405 - 2¹⁰ = 23435551144381 is a prime.

It is a super-2 number, since 2×23435551145405² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23435551145405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22183712 + ... + 23216118.

It is an arithmetic number, because the mean of its divisors is an integer number (1027807589952).

Almost surely, 2^{23435551145405} is an apocalyptic number.

It is an amenable number.

23435551145405 is a deficient number, since it is larger than the sum of its proper divisors (9454291733059).

23435551145405 is a wasteful number, since it uses less digits than its factorization.

23435551145405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047545.

The product of its (nonzero) digits is 3600000, while the sum is 47.

Adding to 23435551145405 its reverse (50454115553432), we get a palindrome (73889666698837).

The spelling of 23435551145405 in words is "twenty-three trillion, four hundred thirty-five billion, five hundred fifty-one million, one hundred forty-five thousand, four hundred five".