140623145400 has 192 divisors, whose sum is σ = 459063475200. Its totient is φ = 35539637760.

The previous prime is 140623145389. The next prime is 140623145473. The reversal of 140623145400 is 4541326041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1457457 + ... + 1550943.

It is an arithmetic number, because the mean of its divisors is an integer number (2390955600).

Almost surely, 2^140623145400 is an apocalyptic number.

140623145400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140623145400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229531737600).

140623145400 is an abundant number, since it is smaller than the sum of its proper divisors (318440329800).

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

140623145400 is a wasteful number, since it uses less digits than its factorization.

140623145400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93638 (or 93629 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 140623145400 in words is "one hundred forty billion, six hundred twenty-three million, one hundred forty-five thousand, four hundred".