103523431440551 has 4 divisors (see below), whose sum is σ = 103523453015592. Its totient is φ = 103523409865512.

The previous prime is 103523431440461. The next prime is 103523431440557. The reversal of 103523431440551 is 155044134325301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103523431440551 - 2²⁶ = 103523364331687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103523431440499 and 103523431440508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103523431440557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17321 + ... + 14389133.

It is an arithmetic number, because the mean of its divisors is an integer number (25880863253898).

Almost surely, 2^{103523431440551} is an apocalyptic number.

103523431440551 is a deficient number, since it is larger than the sum of its proper divisors (21575041).

103523431440551 is an equidigital number, since it uses as much as digits as its factorization.

103523431440551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21575040.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 103523431440551 its reverse (155044134325301), we get a palindrome (258567565765852).

The spelling of 103523431440551 in words is "one hundred three trillion, five hundred twenty-three billion, four hundred thirty-one million, four hundred forty thousand, five hundred fifty-one".