102203023133170 has 16 divisors (see below), whose sum is σ = 186032469075480. Its totient is φ = 40421869823104.

The previous prime is 102203023133153. The next prime is 102203023133171. The reversal of 102203023133170 is 71331320302201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87635266999641 + 14567756133529 = 9361371^2 + 3816773^2 .

It is not an unprimeable number, because it can be changed into a prime (102203023133171) 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, 57417427837 + ... + 57417429616.

Almost surely, 2^{102203023133170} is an apocalyptic number.

102203023133170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102203023133170 is a deficient number, since it is larger than the sum of its proper divisors (83829445942310).

102203023133170 is a wasteful number, since it uses less digits than its factorization.

102203023133170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114834857549.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 102203023133170 its reverse (71331320302201), we get a palindrome (173534343435371).

The spelling of 102203023133170 in words is "one hundred two trillion, two hundred three billion, twenty-three million, one hundred thirty-three thousand, one hundred seventy".