402123000045 has 64 divisors (see below), whose sum is σ = 699596513280. Its totient is φ = 196057387008.

The previous prime is 402123000043. The next prime is 402123000047. The reversal of 402123000045 is 540000321204.

It is an interprime number because it is at equal distance from previous prime (402123000043) and next prime (402123000047).

It is not a de Polignac number, because 402123000045 - 2¹ = 402123000043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402122999985 and 402123000030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402123000043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14077017 + ... + 14105553.

It is an arithmetic number, because the mean of its divisors is an integer number (10931195520).

Almost surely, 2^402123000045 is an apocalyptic number.

It is an amenable number.

402123000045 is a deficient number, since it is larger than the sum of its proper divisors (297473513235).

402123000045 is a wasteful number, since it uses less digits than its factorization.

402123000045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29254.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 402123000045 its reverse (540000321204), we get a palindrome (942123321249).

The spelling of 402123000045 in words is "four hundred two billion, one hundred twenty-three million, forty-five", and thus it is an aban number.