1423748393540 has 48 divisors (see below), whose sum is σ = 3263744594880. Its totient is φ = 517398679680.

The previous prime is 1423748393491. The next prime is 1423748393569. The reversal of 1423748393540 is 453938473241.

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, 1701887 + ... + 2396646.

It is an arithmetic number, because the mean of its divisors is an integer number (67994679060).

Almost surely, 2^{1423748393540} is an apocalyptic number.

1423748393540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423748393540 is an abundant number, since it is smaller than the sum of its proper divisors (1839996201340).

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

1423748393540 is a wasteful number, since it uses less digits than its factorization.

1423748393540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100132 (or 4100130 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 1423748393540 in words is "one trillion, four hundred twenty-three billion, seven hundred forty-eight million, three hundred ninety-three thousand, five hundred forty".