140123401023400 has 96 divisors (see below), whose sum is σ = 345240962148600. Its totient is φ = 52796706099200.

The previous prime is 140123401023383. The next prime is 140123401023407. The reversal of 140123401023400 is 4320104321041.

It can be written as a sum of positive squares in 12 ways, for example, as 640829068324 + 139482571955076 = 800518^2 + 11810274^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (140123401023407) 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, 294386677 + ... + 294862276.

Almost surely, 2^{140123401023400} is an apocalyptic number.

140123401023400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140123401023400 is an abundant number, since it is smaller than the sum of its proper divisors (205117561125200).

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

140123401023400 is a wasteful number, since it uses less digits than its factorization.

140123401023400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589249039 (or 589249030 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 140123401023400 its reverse (4320104321041), we get a palindrome (144443505344441).

The spelling of 140123401023400 in words is "one hundred forty trillion, one hundred twenty-three billion, four hundred one million, twenty-three thousand, four hundred".