23444134243023 has 16 divisors (see below), whose sum is σ = 33664055757696. Its totient is φ = 14426866600800.

The previous prime is 23444134242973. The next prime is 23444134243039. The reversal of 23444134243023 is 32034243144432.

It is a happy number.

It is not a de Polignac number, because 23444134243023 - 2¹³ = 23444134234831 is a prime.

It is a super-2 number, since 2×23444134243023² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23444134245023) 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, 4149465 + ... + 8006642.

It is an arithmetic number, because the mean of its divisors is an integer number (2104003484856).

Almost surely, 2^{23444134243023} is an apocalyptic number.

23444134243023 is a deficient number, since it is larger than the sum of its proper divisors (10219921514673).

23444134243023 is a wasteful number, since it uses less digits than its factorization.

23444134243023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205574.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 23444134243023 its reverse (32034243144432), we get a palindrome (55478377387455).

The spelling of 23444134243023 in words is "twenty-three trillion, four hundred forty-four billion, one hundred thirty-four million, two hundred forty-three thousand, twenty-three".