23267900145 has 24 divisors (see below), whose sum is σ = 43306786944. Its totient is φ = 10636754016.

The previous prime is 23267900143. The next prime is 23267900147. The reversal of 23267900145 is 54100976232.

It is an interprime number because it is at equal distance from previous prime (23267900143) and next prime (23267900147).

It is not a de Polignac number, because 23267900145 - 2¹ = 23267900143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23267900141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15827769 + ... + 15829238.

It is an arithmetic number, because the mean of its divisors is an integer number (1804449456).

Almost surely, 2^23267900145 is an apocalyptic number.

It is an amenable number.

23267900145 is a deficient number, since it is larger than the sum of its proper divisors (20038886799).

23267900145 is a wasteful number, since it uses less digits than its factorization.

23267900145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31657029 (or 31657022 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 23267900145 in words is "twenty-three billion, two hundred sixty-seven million, nine hundred thousand, one hundred forty-five".