1023123400397 has 8 divisors (see below), whose sum is σ = 1189102257600. Its totient is φ = 862099136064.

The previous prime is 1023123400381. The next prime is 1023123400423. The reversal of 1023123400397 is 7930043213201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023123400397 - 2⁴ = 1023123400381 is a prime.

It is a super-3 number, since 3×1023123400397³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023123400297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238647772 + ... + 1238648597.

It is an arithmetic number, because the mean of its divisors is an integer number (148637782200).

Almost surely, 2^{1023123400397} is an apocalyptic number.

It is an amenable number.

1023123400397 is a deficient number, since it is larger than the sum of its proper divisors (165978857203).

1023123400397 is an equidigital number, since it uses as much as digits as its factorization.

1023123400397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477296435.

The product of its (nonzero) digits is 27216, while the sum is 35.

Adding to 1023123400397 its reverse (7930043213201), we get a palindrome (8953166613598).

The spelling of 1023123400397 in words is "one trillion, twenty-three billion, one hundred twenty-three million, four hundred thousand, three hundred ninety-seven".