1423145025240 has 64 divisors (see below), whose sum is σ = 4407158799360. Its totient is φ = 367263231360.

The previous prime is 1423145025161. The next prime is 1423145025277. The reversal of 1423145025240 is 425205413241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191279214 + ... + 191286653.

It is an arithmetic number, because the mean of its divisors is an integer number (68861856240).

Almost surely, 2^{1423145025240} is an apocalyptic number.

1423145025240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423145025240 is an abundant number, since it is smaller than the sum of its proper divisors (2984013774120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423145025240 is a wasteful number, since it uses less digits than its factorization.

1423145025240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382565912 (or 382565908 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 1423145025240 in words is "one trillion, four hundred twenty-three billion, one hundred forty-five million, twenty-five thousand, two hundred forty".