1043123213615 has 8 divisors (see below), whose sum is σ = 1430568978720. Its totient is φ = 715284489312.

The previous prime is 1043123213603. The next prime is 1043123213653. The reversal of 1043123213615 is 5163123213401.

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 1043123213615 - 2⁸ = 1043123213359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14901760160 + ... + 14901760229.

It is an arithmetic number, because the mean of its divisors is an integer number (178821122340).

Almost surely, 2^{1043123213615} is an apocalyptic number.

1043123213615 is a deficient number, since it is larger than the sum of its proper divisors (387445765105).

1043123213615 is an equidigital number, since it uses as much as digits as its factorization.

1043123213615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29803520401.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 1043123213615 in words is "one trillion, forty-three billion, one hundred twenty-three million, two hundred thirteen thousand, six hundred fifteen".