23621277043 has 16 divisors (see below), whose sum is σ = 29091980736. Its totient is φ = 18676736640.

The previous prime is 23621276983. The next prime is 23621277073. The reversal of 23621277043 is 34077212632.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23621277043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23621276993 and 23621277011.

It is not an unprimeable number, because it can be changed into a prime (23621277073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48933 + ... + 222793.

It is an arithmetic number, because the mean of its divisors is an integer number (1818248796).

Almost surely, 2^23621277043 is an apocalyptic number.

23621277043 is a deficient number, since it is larger than the sum of its proper divisors (5470703693).

23621277043 is a wasteful number, since it uses less digits than its factorization.

23621277043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175374.

The product of its (nonzero) digits is 84672, while the sum is 37.

Adding to 23621277043 its reverse (34077212632), we get a palindrome (57698489675).

The spelling of 23621277043 in words is "twenty-three billion, six hundred twenty-one million, two hundred seventy-seven thousand, forty-three".