12145046023 has 4 divisors (see below), whose sum is σ = 13249141128. Its totient is φ = 11040950920.

The previous prime is 12145045967. The next prime is 12145046047. The reversal of 12145046023 is 32064054121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12145046023 - 2²¹ = 12142948871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12145045982 and 12145046000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145046423) 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, 552047536 + ... + 552047557.

It is an arithmetic number, because the mean of its divisors is an integer number (3312285282).

Almost surely, 2^12145046023 is an apocalyptic number.

12145046023 is a deficient number, since it is larger than the sum of its proper divisors (1104095105).

12145046023 is a wasteful number, since it uses less digits than its factorization.

12145046023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104095104.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 12145046023 in words is "twelve billion, one hundred forty-five million, forty-six thousand, twenty-three".